GM Gen. 2 6T70, 6T75 and 6T80 Transmission

Main Navigation

Advertisement
Social Connect
Resources
Our Brand Family
Transmission Digest - Babcox Media
Helping transmission shops achieve successful and profitable operation.
Automatic Transmission

GM Gen. 2 6T70, 6T75 and 6T80

Critical Wear Areas & Vacuum Test Locations

Avatar
By Sonnax
GM Gen. 2 6T70, 6T75 and 6T80 TASC Force Tips Author: Sonnax Subject Matter: 6T70, 6T75, 6T80 GM Gen. 2 6T70, 6T75, 6T80

TASC Force Tips

  • Author: Sonnax
  • Subject Matter: 6T70, 6T75, 6T80

GM Gen. 2 6T70, 6T75, 6T80

Critical Wear Areas & Vacuum Test Locations

NOTE: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. Test locations are pointed to with an arrow. Springs are not shown for visual clarity.

Related Articles

A low vacuum reading indicates wear. For specific vacuum test parameters,
refer to additional information available at www.sonnax.com.

View more vacuum test info online at www.sonnax.com/vacuum-testing

Was this content valuable?

Thanks for your feedback!

You May Also Like

Automatic Transmission

Sherlock Holmes Approach to an AB60 No-Move Situation

The effectiveness in diagnosing automatic transmission malfunctions is an art form. Although there are similarities among the wide varieties of transmissions on the road, each transmission has its own peculiarities. Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult.  Using scopes provides

Wayne Colonna
By Wayne Colonna
ab60

The effectiveness in diagnosing automatic transmission malfunctions is an art form. Although there are similarities among the wide varieties of transmissions on the road, each transmission has its own peculiarities. Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. 

Read Full Article

More Automatic Transmission Posts
GM 6T40 Pump Identification Guide

The 6T40 was introduced in 2008 for General Motors front-wheel-drive cars in the Chevrolet Malibu and has gone through several changes throughout its three generations, specifically in the pump area. The 6T40 is closely related to the more lightweight 6T30 and the heavier duty 6T45 and 6T50. Generation one started phasing out during the 2012

By Jason Larochelle
Seeing the Forest AND the Trees

They say that the proverbial phrase “I couldn’t see the forest for the trees” means that a person or organization cannot see the big picture because it focuses too much on the details. Related Articles – 4L60E Harsh 1-2 Shift – TASC Force Tips: Diagnosing 8L45 & 8L90 Shift Complaints – TASC Force Tips: Hydraulics

By Wayne Colonna
The Manifold Pipeway

The Honda six-speed transmission has been on the bench of many specialty shops for one reason or another (figure 1). But, for those of you who have yet to lay your hands on one, mounted on the upper side of the unit is one of the largest, if not the largest solenoid and pressure switch

By Wayne Colonna
8L90 Vacuum Testing

Below are the diagrams for vacuum testing GM 8L90 transmissions. Note: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. Test locations are pointed to with an arrow. Springs are not shown for visual clarity. A low vacuum reading indicates wear. For specific vacuum test information, refer

By Sonnax

Other Posts

Toyota/Lexus UA/UB series: Critical wear areas and vacuum test locations

Sonnax has provided the following guide on critical wear areas and vacuum test locations for the Toyota/Lexus UA and UB lines of transmissions. Technicians working on these models should find this guide helpful. Related Articles – Manual transmission sourcebook 2023 – Shift pointers: High-mileage transmissions and the aches and pains of age – Looking for

By Sonnax
Tasc-Tip-Nov-Featured-Image
Tips and tricks for Chrysler switch valve plug testing

As technicians, we are often faced with build issues that can sometimes be frustrating at first. But with a little ingenuity, these frustrations can be turned around and made simple. Related Articles – 6T40 delayed engagements after overhaul – GM 6T70/75 slips and delays in first – How to fix GM 6T70/Ford 6F50 rattling noise

By Randall Schroeder
tascfeature-1400
Jatco/Nissan JF011E critical wear areas and vacuum test locations

Sonnax has provided the following guide on critical wear areas and vacuum test locations for the Jatco/Nissan JF011E. Technicians working on these models should find this guide helpful. (Ed. Note: This is an extended version of the guide found in our September issue, with three additional pages). Related Articles – The importance of the follow-up

By Sonnax
Tips for success with the GM transmission fast learn process

This article is about failure, something we all experience from time to time. If you are attempting to perform a fast learn process on a GM eight-, nine-, or 10-speed transmission, you may have that temporary feeling of failure, as this process can bring on frustration quickly. Let’s talk about what the fast learn process

By Jim Mobley
tascFeaturefast-1400